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Proceedings Paper

Molecular dynamics study of polyethylene extension
Author(s): Alexander I. Melker; Dmitri V. Soloviev
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Paper Abstract

Molecular dynamics study of polyethylene extension is presented. The simulations were made using a model of a polyethylene globule containing 500 carbon and 1002 hydrogen atoms, which represents a small part of a bulk polymer specimen. The main objective of this work was to analyze the macromolecule structure evolution as well as to obtain stress- strain diagrams for the process. It is found that the stress- strain diagrams consist of three parts. The first part is due to deformation annealing, the second part is associated with work-hardening and the third one is connected with formation of an oriented structure. On the basis of the structure changes a molecular theory of deformation is suggested.

Paper Details

Date Published: 5 May 1999
PDF: 10 pages
Proc. SPIE 3687, International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (5 May 1999); doi: 10.1117/12.347410
Show Author Affiliations
Alexander I. Melker, St. Petersburg State Technical Univ. (Russia)
Dmitri V. Soloviev, St. Petersburg State Technical Univ. (Russia)


Published in SPIE Proceedings Vol. 3687:
International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering
Alexander I. Melker, Editor(s)

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